Document Detail


Cardiovascular MRI Predicts 5-Year Adverse Clinical Outcome in Heart Transplant Recipients.
MedLine Citation:
PMID:  25100504     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Imaging recommendations for the follow-up of heart transplant recipients (HTRs) lack evidence justifying their prognostic value. Cardiovascular magnetic resonance imaging (CMRI) can characterize heart structure and function and has prognostic value in many myocardial diseases. We hypothesized that CMRI evaluation of cardiac allografts would predict adverse events. We performed CMRI on 60 HTRs evaluating biventricular size, function and myocardial scar. We performed survival analysis to identify independent predictors of cardiovascular (CV) death or hospitalization. Participants had a mean age of 51 ± 14 years, mean graft age of 3.5 years (±4) and 75% are male. Median follow-up time was 4.9 years with 22 CV hospitalizations and 7 CV deaths. A multivariable survival analysis of imaging and clinical variables identified myocardial scar (hazard ratio [HR] of 10.7, p = 0.005), right ventricular end- diastolic volume index (RVEDVI; 1.1/mL/m(2) , p = 0.001), graft age (HR = 1.2/year, p = 0.004) and previous allograft rejection (HR = 4.4, p = 0.006) as predictive of time to CV death or hospitalization. CMRI-derived myocardial scar and RVEDVI are independently associated with CV outcomes in HTRs.
Authors:
C R Butler; D H Kim; K Chow; M Toma; R Thompson; M Mengel; M Haykowsky; G J Pearson; I Paterson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-8-6
Journal Detail:
Title:  American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons     Volume:  -     ISSN:  1600-6143     ISO Abbreviation:  Am. J. Transplant.     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-8-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100968638     Medline TA:  Am J Transplant     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© Copyright 2014 The American Society of Transplantation and the American Society of Transplant Surgeons.
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